linux-kernel - [PATCH 17/27] perf tools: Add vdso_

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Message-Id: <1406302629-11790-18-git-send-email-acme@kernel.org>
Date:	Fri, 25 Jul 2014 12:36:59 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 17/27] perf tools: Add vdso__new()

From: Adrian Hunter <adrian.hunter@...el.com>

This is preparation for adding support for compat VDSOs.

Reviewed-by: Jiri Olsa <jolsa@...hat.com>
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1406035081-14301-48-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/vdso.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c
index fdaccaf67371..946d927765c6 100644
--- a/tools/perf/util/vdso.c
+++ b/tools/perf/util/vdso.c
@@ -121,6 +121,20 @@ void vdso__exit(struct machine *machine)
 	zfree(&machine->vdso_info);
 }
 
+static struct dso *vdso__new(struct machine *machine, const char *short_name,
+			     const char *long_name)
+{
+	struct dso *dso;
+
+	dso = dso__new(short_name);
+	if (dso != NULL) {
+		dsos__add(&machine->user_dsos, dso);
+		dso__set_long_name(dso, long_name, false);
+	}
+
+	return dso;
+}
+
 struct dso *vdso__dso_findnew(struct machine *machine)
 {
 	struct vdso_info *vdso_info;
@@ -141,11 +155,7 @@ struct dso *vdso__dso_findnew(struct machine *machine)
 		if (!file)
 			return NULL;
 
-		dso = dso__new(VDSO__MAP_NAME);
-		if (dso != NULL) {
-			dsos__add(&machine->user_dsos, dso);
-			dso__set_long_name(dso, file, false);
-		}
+		dso = vdso__new(machine, VDSO__MAP_NAME, file);
 	}
 
 	return dso;
-- 
1.9.3

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